Sodium (noun)

1. A soft, silver-white, metallic element that tarnishes readily in air and reacts violently with water to produce a yellowish alkaline solution.
2. A chemical element (symbol Na) with an atomic number of 11; a soft, silver-white, highly reactive metal that is an alkali metal and occurs naturally only in combined form, especially in common salt.

Origin:

From new latin natrium, from arabic nāṭr, from egyptian nṯr.

Examples:

1. Sodium is an essential element for the human body, but too much can be harmful.
2. Sodium is used in many industrial processes, including the production of soap and glass.
3. The sodium content in processed foods is often high, which can lead to health problems.
4. Sodium is a chemical element with the symbol Na and atomic number 11.
5. Sodium chloride, or common salt, is the most abundant mineral on Earth.